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A199555 as a simple table

na(n)
08
157
2449
33585
428673
5229377
61835009
714680065
8117440513
9939524097
107516192769
1160129542145
12481036337153
133848290697217
1430786325577729
15246290604621825
161970324836974593
1715762598695796737
18126100789566373889

[8,57,449,3585,28673,229377,1835009,14680065,
 117440513,939524097,7516192769,60129542145,
 481036337153,3848290697217,30786325577729,
 246290604621825,1970324836974593,
 15762598695796737,126100789566373889]